diff --git a/sensor/v1_0/ISensorInterface.idl b/sensor/v1_0/ISensorInterface.idl
index 66ab862dbe8777f207f807e5941ff292d3421495..3fca753b082030653384a388667e8ba9a8abb6cc 100644
--- a/sensor/v1_0/ISensorInterface.idl
+++ b/sensor/v1_0/ISensorInterface.idl
@@ -136,7 +136,7 @@ interface ISensorInterface {
      * @since 2.2
      * @version 1.0
      */
-    Register([in] int sensorId, [in] ISensorCallback callbackObj);
+    Register([in] int groupId, [in] ISensorCallback callbackObj);
 
     /**
      * @brief Deregisters the callback for reporting sensor data.
@@ -146,5 +146,5 @@ interface ISensorInterface {
      * @since 2.2
      * @version 1.0
      */
-    Unregister([in] int sensorId, [in] ISensorCallback callbackObj);
+    Unregister([in] int groupId, [in] ISensorCallback callbackObj);
 }
diff --git a/sensor/v1_0/SensorTypes.idl b/sensor/v1_0/SensorTypes.idl
index ab37a92cfcef7420052242cbf67aa13ab2127b17..5f7ab88b79c9fe5a01c306f6d501de8314645dc5 100644
--- a/sensor/v1_0/SensorTypes.idl
+++ b/sensor/v1_0/SensorTypes.idl
@@ -76,3 +76,45 @@ struct HdfSensorEvents {
     unsigned char[] data;    /**< Sensor data vector */
     unsigned int dataLen;    /**< Sensor data length */
 };
+
+/**
+ * @brief Enumerates sensor types.
+ *
+ * @since 2.2
+ */
+enum HdfSensorTypeTag {
+    HDF_SENSOR_TYPE_NONE                = 0,   /**< None, for testing only */
+    HDF_SENSOR_TYPE_ACCELEROMETER       = 1,   /**< Acceleration sensor */
+    HDF_SENSOR_TYPE_GYROSCOPE           = 2,   /**< Gyroscope sensor */
+    HDF_SENSOR_TYPE_PHOTOPLETHYSMOGRAPH = 3,   /**< Photoplethysmography sensor */
+    HDF_SENSOR_TYPE_ELECTROCARDIOGRAPH  = 4,   /**< Electrocardiogram (ECG) sensor */
+    HDF_SENSOR_TYPE_AMBIENT_LIGHT       = 5,   /**< Ambient light sensor */
+    HDF_SENSOR_TYPE_MAGNETIC_FIELD      = 6,   /**< Magnetic field sensor */
+    HDF_SENSOR_TYPE_CAPACITIVE          = 7,   /**< Capacitive sensor */
+    HDF_SENSOR_TYPE_BAROMETER           = 8,   /**< Barometric pressure sensor */
+    HDF_SENSOR_TYPE_TEMPERATURE         = 9,   /**< Temperature sensor */
+    HDF_SENSOR_TYPE_HALL                = 10,  /**< Hall effect sensor */
+    HDF_SENSOR_TYPE_GESTURE             = 11,  /**< Gesture sensor */
+    HDF_SENSOR_TYPE_PROXIMITY           = 12,  /**< Proximity sensor */
+    HDF_SENSOR_TYPE_HUMIDITY            = 13,  /**< Humidity sensor */
+    HDF_SENSOR_TYPE_MEDICAL_BEGIN       = 128, /**< The begin of medical sensorId enumeration value range */
+    HDF_SENSOR_TYPE_MEDICAL_END         = 160, /**< The end of medical sensorId enumeration value range */
+    HDF_SENSOR_TYPE_PHYSICAL_MAX        = 255, /**< Maximum type of a physical sensor */
+    HDF_SENSOR_TYPE_ORIENTATION         = 256, /**< Orientation sensor */
+    HDF_SENSOR_TYPE_GRAVITY             = 257, /**< Gravity sensor */
+    HDF_SENSOR_TYPE_LINEAR_ACCELERATION = 258, /**< Linear acceleration sensor */
+    HDF_SENSOR_TYPE_ROTATION_VECTOR     = 259, /**< Rotation vector sensor */
+    HDF_SENSOR_TYPE_AMBIENT_TEMPERATURE = 260, /**< Ambient temperature sensor */
+    HDF_SENSOR_TYPE_MAGNETIC_FIELD_UNCALIBRATED = 261,   /**< Uncalibrated magnetic field sensor */
+    HDF_SENSOR_TYPE_GAME_ROTATION_VECTOR        = 262,   /**< Game rotation vector sensor */
+    HDF_SENSOR_TYPE_GYROSCOPE_UNCALIBRATED      = 263,   /**< Uncalibrated gyroscope sensor */
+    HDF_SENSOR_TYPE_SIGNIFICANT_MOTION          = 264,   /**< Significant motion sensor */
+    HDF_SENSOR_TYPE_PEDOMETER_DETECTION         = 265,   /**< Pedometer detection sensor */
+    HDF_SENSOR_TYPE_PEDOMETER                   = 266,   /**< Pedometer sensor */
+    HDF_SENSOR_TYPE_GEOMAGNETIC_ROTATION_VECTOR = 277,   /**< Geomagnetic rotation vector sensor */
+    HDF_SENSOR_TYPE_HEART_RATE                  = 278,   /**< Heart rate sensor */
+    HDF_SENSOR_TYPE_DEVICE_ORIENTATION          = 279,   /**< Device orientation sensor */
+    HDF_SENSOR_TYPE_WEAR_DETECTION              = 280,   /**< Wear detection sensor */
+    HDF_SENSOR_TYPE_ACCELEROMETER_UNCALIBRATED  = 281,   /**< Uncalibrated acceleration sensor */
+    HDF_SENSOR_TYPE_MAX,                                 /**< Maximum number of sensor types */
+};
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